Foster Bay Recreation Area Weather Forecast

    • 67
    • 96

    Chance Thunderstorms

    • 63
    • 79

    Chance Thunderstorms

    • 66
    • 85

    Chance Rain Showers

    • 64
    • 91

    Chance Thunderstorms

    • 67
    • 93

    Chance Thunderstorms

    • 67
    • 93

    Chance Thunderstorms

Today 22 Jul Stanley

Mostly Cloudy, then becoming partly sunny this Morning, then becoming mostly sunny. A slight chance of Thunderstorms early. Hot with Highs in the upper 90s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 22 Jul Stanley

Partly cloudy in the Evening, then becoming mostly cloudy. A 50 percent chance of Thunderstorms. Humid with Lows in the upper 60s. Northeast Winds 10 to 15 Mph. Heat index Values up to 104 early in the evening.

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Foster Bay Recreation Area Temperature Statistics

July Temperature

Pierre, Pierre Regional Airport (44.7 miles)

  • Lowest 17 July, 2025

    46.7 °F

  • Average July

    74.5 °F

  • Highest 14 July, 2025

    104.6 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (44.7 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    61.2 °F
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